1123321321322 has 4 divisors (see below), whose sum is σ = 1684981981986. Its totient is φ = 561660660660.

The previous prime is 1123321321321. The next prime is 1123321321427. The reversal of 1123321321322 is 2231231233211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1042643167801 + 80678153521 = 1021099^2 + 284039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1123321321291 and 1123321321300.

It is not an unprimeable number, because it can be changed into a prime (1123321321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280830330329 + ... + 280830330332.

Almost surely, 2^{1123321321322} is an apocalyptic number.

1123321321322 is a deficient number, since it is larger than the sum of its proper divisors (561660660664).

1123321321322 is an equidigital number, since it uses as much as digits as its factorization.

1123321321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561660660663.

The product of its digits is 2592, while the sum is 26.

Adding to 1123321321322 its reverse (2231231233211), we get a palindrome (3354552554533).

The spelling of 1123321321322 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-two".